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<p>On 06/07/2012 03:36 PM, <a class="moz-txt-link-abbreviated" href="mailto:neil2@ansergis.net">neil2@ansergis.net</a> wrote:
<blockquote
cite="mid:abbe9988f5a0e8607f3f88b9157f074a@ansergis.net"
type="cite">Hi,
<br>
<br>
Thanks for the replies, very helpful.
<br>
<br>
Looks like I will be going for Ubuntu VMs for Q-GIS, but a full
seperate windows boot for Arc and Manifold.
</blockquote>
</p>
<p><br>
</p>
<p>In that case, may I suggest you give the OSGeo LiveDVD a try? You
can be up and running with a full blown Xubuntu system (12.04 to
be coming soon), pre-installed with all the GIS goodies, in no
time.<br>
</p>
<p>
<blockquote
cite="mid:abbe9988f5a0e8607f3f88b9157f074a@ansergis.net"
type="cite">
<br>
I assume I can reference any drive on the machine from Ubunto
regardless of whether it is in a Windows file system or the Mac
file system (i.e. so I can do part of the work such as output
cartography in Arc/Manifold)?
</blockquote>
</p>
<p><br>
</p>
<p>Yes, using i.e. Virtualbox to run your VM, you can define "Shared
folders" which are directories on your host machine to be
accessible from within the VM. (Don't know about sharing from a
Mac)</p>
<p><br>
</p>
<p>-- </p>
<p>Micha<br>
</p>
<p>
<blockquote
cite="mid:abbe9988f5a0e8607f3f88b9157f074a@ansergis.net"
type="cite">
<br>
Thanks again,
<br>
<br>
Neil
<br>
<br>
On Fri, 01 Jun 2012 02:46:36 -0700,
<a class="moz-txt-link-abbreviated" href="mailto:qgis-user-request@lists.osgeo.org">qgis-user-request@lists.osgeo.org</a> wrote:
<br>
<blockquote type="cite">Send Qgis-user mailing list submissions
to
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To subscribe or unsubscribe via the World Wide Web, visit
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or, via email, send a message with subject or body 'help' to
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You can reach the person managing the list at
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than "Re: Contents of Qgis-user digest..."
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Today's Topics:
<br>
<br>
1. Re: What hardware for QGIS (Harald Hofmann)
<br>
2. OGRS2012 :: CFP deadline extension to June 15th (Olivier
ERTZ)
<br>
3. Re: Query Layer / Rule Based Rendering Problem (James
Stott)
<br>
4. Re: Query Layer / Rule Based Rendering Problem (Nathan
Woodrow)
<br>
<br>
<br>
<br>
----------------------------------------------------------------------
<br>
<br>
Message: 1
<br>
Date: Fri, 01 Jun 2012 08:00:06 +1000
<br>
From: Harald Hofmann <a class="moz-txt-link-rfc2396E" href="mailto:harald.hofmann@monash.edu"><harald.hofmann@monash.edu></a>
<br>
To: <a class="moz-txt-link-abbreviated" href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a>
<br>
Subject: Re: [Qgis-user] What hardware for QGIS
<br>
Message-ID: <a class="moz-txt-link-rfc2396E" href="mailto:4FC7E9E6.70103@monash.edu"><4FC7E9E6.70103@monash.edu></a>
<br>
Content-Type: text/plain; charset="iso-8859-1";
Format="flowed"
<br>
<br>
Hi Neil,
<br>
I run QGIS on an iMac i3 (12GB RAM) and on a MacBook Pro i7
(8GB RAM).
<br>
Both work fine.
<br>
Installation is super easy. Just follow William Kyngesburye's
<br>
instructions as Lee has already mentioned.
<br>
<br>
I think, and I am neither a GIS nor a QGIS specialist (just a
very
<br>
limited user), combining QGIS with GRASS gives you the same
range of
<br>
functionality as ArcGIS has.
<br>
Again, I am not a hard core GIS person but I used it a bit for
spatial
<br>
modelling of hydrogeological and hydrological projects.
<br>
The GRASS installation is very easy on a Mac, too (again,
follow
<br>
William's instructions ... Thanks William!!!)
<br>
<br>
I also had run an ArcView version 9.3 on a virtual computer
(on the
<br>
iMac) using VirtualBox and Windows XP with a memory allocation
of 4GB.
<br>
That also worked fine without any issues. It certainly depends
also on
<br>
what you want to do. I am not sure about ArcInfo and a Dongle
<br>
compatibility, referring to Lee's answer.
<br>
<br>
There is only one thing that I don't like that much with QGIS,
which is
<br>
making and editing good looking maps for presentations or
publication.
<br>
It seems a bit clunky to me (e.g. scale issues between QGIS
desktop and
<br>
map composer, rotation of labels (I have managed it but it
took me
<br>
forever to find out how), etc.).
<br>
It is absolutely likely that I don't know all the tricks and
tweaks how
<br>
to use it but this process seems to be a bit easier in Arc. I
usually
<br>
export the map and do the fine editing in a graphics software;
however,
<br>
it sometimes becomes a bit cumbersome when there is lots to
edit that
<br>
potentially could be done much easier by editing a layer in
the GIS.
<br>
(to all the others, please comment on that. I want to learn
... )
<br>
<br>
Hope that helps,
<br>
<br>
Cheers,
<br>
Harald
<br>
<br>
<br>
<br>
On 1/06/12 01:41, Lee Hachadoorian wrote:
<br>
<blockquote type="cite">Hi Neil,
<br>
<br>
I'm not a Mac user, so these partial answers are based on
running QGIS
<br>
on Ubuntu Linux and also running ArcGIS in a VM.
<br>
<br>
On Thu, May 31, 2012 at 4:56 AM,<a class="moz-txt-link-rfc2396E" href="mailto:neil2@ansergis.net"><neil2@ansergis.net></a>
wrote:
<br>
<blockquote type="cite">Hello,
<br>
<br>
I am just getting to know QGIS having taken a brief two
day overview course
<br>
at GISRUK 2012 and realised that it really is becoming a
practical
<br>
alternative to Arc.
<br>
One of the many attractions of it is the possibility to
also escape from
<br>
windows.
<br>
<br>
So I am looking at buying an Apple Mac and was hoping for
some advice :
<br>
<br>
a) What are the limits to the resources that QGIS can
realistically use
<br>
(i.e. in the same way that ArcMap is still pretty much
stuck with single
<br>
core 32bit processing so there isn't much point sticking
16Gig of memory in
<br>
a machine running it).
<br>
<br>
b) If I do go with Mac, am I better to install the Mac
version of QGIS or
<br>
run Linux also.
<br>
</blockquote>
Installation on Linux is *probably* more straightforward.
For
<br>
installing on Mac, one of my students found
<br>
<a class="moz-txt-link-freetext" href="http://www.kyngchaos.com/software/qgis">http://www.kyngchaos.com/software/qgis</a> helpful. The only
reason I can
<br>
think of to run QGIS in Linux instead of Mac is if you
expect to be
<br>
regularly working with other Linux software and don't want
to keep
<br>
switching OSes. I would definitely try it on Mac first if
that's your
<br>
preferred OS.
<br>
<br>
<blockquote type="cite">c) As I am unlikely to entirely
escape ESRI, has anyone experience of
<br>
running ArcGIS on a windows simulator? (i.e. do I need to
divide my
<br>
resources between two machines).
<br>
</blockquote>
ArcGIS runs fine in a VM. You may run into problems if you
need to run
<br>
a version like ArcInfo that requires a hardware dongle for
<br>
authentication. I've only been using a version requiring an
<br>
alphanumeric key. A coworker who tried to get ArcInfo
running on a
<br>
Windows XP guest on a Fedora host eventually just gave up.
<br>
<br>
You do have to divide your resources between machines, but
given how
<br>
much RAM most machines come with these days, that's usually
not much
<br>
of a problem (until you start talking about running multiple
guest
<br>
OSes simultaneously). If you still have access to WinXP, I
would
<br>
consider running Arc on that because of the minimal resource
<br>
requirements. 1-2 GB of RAM is all you will need (and you
could get by
<br>
on<1 GB of RAM) assuming the guest OS isn't running
anything other
<br>
than Arc. Make sure to dedicate some of your video memory to
the guest
<br>
OS.
<br>
<br>
<blockquote type="cite">d) On the course we ran the linux
version of QGIS on a virtual machine. This
<br>
has some attractions in terms of managing various clients
projects. But what
<br>
are the performance issues?
<br>
<br>
Process wise I am likely to need to cover the gamut, from
straightforward
<br>
overlay to process models, 3D graphics and visualisation.
<br>
</blockquote>
At my job I run QGIS in an Ubuntu VM on a Windows host
(giving it 4
<br>
out of 12GB of RAM). I haven't noticed any performance
issues. The
<br>
things that are typically slow elsewhere, e.g. multiple
layers with
<br>
many (1000s) features, are still slow, but everything else
performs
<br>
the same as a "real" OS of the same specifications.
<br>
<br>
Best,
<br>
--Lee
<br>
<br>
</blockquote>
<br>
<br>
--
<br>
Harald Hofmann
<br>
Research Fellow PhD - Hydrogeology
<br>
School of Geosciences - Monash University
<br>
Wellington Rd, Clayton, Victoria 3800
<br>
Australia
<br>
Phone: +61 3 99055786
<br>
<br>
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<br>
Message: 2
<br>
Date: Fri, 01 Jun 2012 10:48:15 +0200
<br>
From: Olivier ERTZ <a class="moz-txt-link-rfc2396E" href="mailto:olivier.ertz@heig-vd.ch"><olivier.ertz@heig-vd.ch></a>
<br>
To: <a class="moz-txt-link-abbreviated" href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a>
<br>
Subject: [Qgis-user] OGRS2012 :: CFP deadline extension to
June 15th
<br>
Message-ID: <a class="moz-txt-link-rfc2396E" href="mailto:4FC881CF.8030900@heig-vd.ch"><4FC881CF.8030900@heig-vd.ch></a>
<br>
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<br>
<br>
----------------------------------------------------------------------------
<br>
OGRS2012 :: CALL FOR PAPERS DEADLINE EXTENSION (closing at
June 15th)
<br>
Open Source Geospatial Research and Education Symposium
<br>
<br>
October 24 ? 26, 2012 in Yverdon-les-Bains, Switzerland
<br>
Hosted by School of Business and Engineering Vaud (HEIG-VD)
<br>
<br>
Website: <a class="moz-txt-link-freetext" href="http://www.ogrs2012.org">http://www.ogrs2012.org</a>
<br>
Contact: <a class="moz-txt-link-abbreviated" href="mailto:cfp@ogrs2012.org">cfp@ogrs2012.org</a>
<br>
<br>
-----------------------------------------------------------------------------
<br>
<br>
(our apologies for cross-postings)
<br>
Dear colleagues,
<br>
the program committee is pleased to announce an extension of
the
<br>
submission deadline until June 15th. All information to submit
a
<br>
presentation, a workshop, a poster or a discussion group
subject is
<br>
available on the symposium website : <a class="moz-txt-link-freetext" href="http://cfp.ogrs2012.org">http://cfp.ogrs2012.org</a>.
<br>
<br>
If you were short in time, please consider these last weeks to
submit
<br>
your contribution. We look forward to read your contribution
proposal
<br>
and to see you in Yverdon-les-Bains.
<br>
<br>
We would appreciate if you could kindly distribute this call
to other
<br>
interested parties of your acquaintance.
<br>
<br>
Please note, registration for OGRS2012 will soon open in early
June.
<br>
<br>
Best regards,
<br>
OGRS2012 program committee.
<br>
<br>
<br>
<br>
------------------------------
<br>
<br>
Message: 3
<br>
Date: Fri, 1 Jun 2012 10:31:22 +0100
<br>
From: "James Stott" <a class="moz-txt-link-rfc2396E" href="mailto:James.Stott@npaconsult.co.uk"><James.Stott@npaconsult.co.uk></a>
<br>
To: <a class="moz-txt-link-rfc2396E" href="mailto:qgis-user@lists.osgeo.org"><qgis-user@lists.osgeo.org></a>
<br>
Cc: <a class="moz-txt-link-abbreviated" href="mailto:qgis-developer@lists.osgeo.org">qgis-developer@lists.osgeo.org</a>
<br>
Subject: Re: [Qgis-user] Query Layer / Rule Based Rendering
Problem
<br>
Message-ID:
<a class="moz-txt-link-rfc2396E" href="mailto:B398947DCAB85D46809151E678999F21060FD685@srv01.NPA.LOCAL"><B398947DCAB85D46809151E678999F21060FD685@srv01.NPA.LOCAL></a>
<br>
Content-Type: text/plain; charset=utf-8
<br>
<br>
To update this post,
<br>
<br>
I have compared the project file code for both the layer that
works and
<br>
the layer that doesn't and I have found differences in the
<br>
customproperties section. This section does not exist in the
layer that
<br>
works - it only exists for the layer that I copied the style
for.
<br>
Removing it makes the layer show on the map.
<br>
<br>
<customproperties>
<br>
<property key="labeling" value="pal"/>
<br>
<property key="labeling/addDirectionSymbol"
<br>
value="false"/>
<br>
<property key="labeling/bufferColorB"
value="255"/>
<br>
<property key="labeling/bufferColorG"
value="255"/>
<br>
<property key="labeling/bufferColorR"
value="255"/>
<br>
<property key="labeling/bufferSize"
value="1"/>
<br>
<property
key="labeling/dataDefinedProperty0" value=""/>
<br>
<property
key="labeling/dataDefinedProperty1" value=""/>
<br>
<property
key="labeling/dataDefinedProperty10"
<br>
value="16"/>
<br>
<property
key="labeling/dataDefinedProperty11"
<br>
value=""/>
<br>
<property
key="labeling/dataDefinedProperty12"
<br>
value=""/>
<br>
<property
key="labeling/dataDefinedProperty13"
<br>
value=""/>
<br>
<property
key="labeling/dataDefinedProperty14"
<br>
value=""/>
<br>
<property
key="labeling/dataDefinedProperty2" value=""/>
<br>
<property
key="labeling/dataDefinedProperty3" value=""/>
<br>
<property
key="labeling/dataDefinedProperty4" value=""/>
<br>
<property
key="labeling/dataDefinedProperty5" value=""/>
<br>
<property
key="labeling/dataDefinedProperty6" value=""/>
<br>
<property
key="labeling/dataDefinedProperty7" value=""/>
<br>
<property
key="labeling/dataDefinedProperty8" value=""/>
<br>
<property
key="labeling/dataDefinedProperty9"
<br>
value="15"/>
<br>
<property key="labeling/decimals"
value="0"/>
<br>
<property key="labeling/dist"
value="0"/>
<br>
<property key="labeling/distInMapUnits"
value="false"/>
<br>
<property key="labeling/enabled"
value="true"/>
<br>
<property key="labeling/fieldName"
value="number"/>
<br>
<property key="labeling/fontFamily"
value="MS Shell Dlg
<br>
2"/>
<br>
<property key="labeling/fontItalic"
value="false"/>
<br>
<property key="labeling/fontSize"
value="8.25"/>
<br>
<property key="labeling/fontSizeInMapUnits"
<br>
value="false"/>
<br>
<property key="labeling/fontStrikeout"
value="false"/>
<br>
<property key="labeling/fontUnderline"
value="false"/>
<br>
<property key="labeling/fontWeight"
value="50"/>
<br>
<property key="labeling/formatNumbers"
value="false"/>
<br>
<property key="labeling/isExpression"
value="false"/>
<br>
<property key="labeling/labelPerPart"
value="false"/>
<br>
<property key="labeling/mergeLines"
value="false"/>
<br>
<property key="labeling/minFeatureSize"
value="0"/>
<br>
<property key="labeling/obstacle"
value="true"/>
<br>
<property key="labeling/placement"
value="1"/>
<br>
<property key="labeling/placementFlags"
value="0"/>
<br>
<property key="labeling/plussign"
value="true"/>
<br>
<property key="labeling/priority"
value="5"/>
<br>
<property key="labeling/scaleMax"
value="0"/>
<br>
<property key="labeling/scaleMin"
value="0"/>
<br>
<property key="labeling/textColorB"
value="0"/>
<br>
<property key="labeling/textColorG"
value="0"/>
<br>
<property key="labeling/textColorR"
value="0"/>
<br>
<property key="labeling/wrapChar"
value=""/>
<br>
<br>
Using QGIS 1.8.0 on Windows 7
<br>
<br>
James
<br>
<br>
<br>
James Stott BSc (Hons) MSc | Senior Professional
<br>
Nicholas Pearson Associates | 30 Brock Street | Bath | BA1 2LN
<br>
T: 01225 445548 | M: -
<br>
<a class="moz-txt-link-freetext" href="http://www.npaconsult.co.uk/">http://www.npaconsult.co.uk/</a>
<br>
<br>
-----Original Message-----
<br>
From: <a class="moz-txt-link-abbreviated" href="mailto:qgis-user-bounces@lists.osgeo.org">qgis-user-bounces@lists.osgeo.org</a>
<br>
[<a class="moz-txt-link-freetext" href="mailto:qgis-user-bounces@lists.osgeo.org">mailto:qgis-user-bounces@lists.osgeo.org</a>] On Behalf Of James
Stott
<br>
Sent: 31 May 2012 16:22
<br>
To: <a class="moz-txt-link-abbreviated" href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a>
<br>
Subject: [Qgis-user] Query Layer / Rule Based Rendering
Problem
<br>
<br>
I have created a query in the DB Manager SQL Window (data is
in a
<br>
PostGIS database). The query is then added to the map as a
layer.
<br>
<br>
I copy the style from another layer (rule based style), paste
it to my
<br>
query layer and the polygons disappear from the map and QGIS
gives a
<br>
nextFeature() without select() error. This also happens if I
apply a qml
<br>
style file to the layer.
<br>
<br>
If I change the styles back to Single Symbol they do not come
back. I
<br>
can see the records in the Attribute table, and I can select
them and
<br>
zoom to them on the map, I just cannot see them.
<br>
<br>
I have to re-add the query layer using the DB Manager SQL
window again.
<br>
<br>
It only seems to be the polygon layers that cause problems at
the
<br>
moment.
<br>
<br>
Does anyone know the cause of this?
<br>
<br>
James
<br>
<br>
James Stott BSc (Hons) MSc | Senior Professional Nicholas
Pearson
<br>
Associates | 30 Brock Street | Bath | BA1 2LN
<br>
T: 01225 445548 | M: -
<br>
<a class="moz-txt-link-freetext" href="http://www.npaconsult.co.uk/">http://www.npaconsult.co.uk/</a>
<br>
<br>
<br>
<br>
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<br>
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Tel: +44
<br>
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<br>
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<br>
<br>
------------------------------
<br>
<br>
Message: 4
<br>
Date: Fri, 1 Jun 2012 02:46:27 -0700
<br>
From: Nathan Woodrow <a class="moz-txt-link-rfc2396E" href="mailto:madmanwoo@gmail.com"><madmanwoo@gmail.com></a>
<br>
To: James Stott <a class="moz-txt-link-rfc2396E" href="mailto:James.Stott@npaconsult.co.uk"><James.Stott@npaconsult.co.uk></a>,
<br>
<a class="moz-txt-link-rfc2396E" href="mailto:qgis-user@lists.osgeo.org">"qgis-user@lists.osgeo.org"</a>
<a class="moz-txt-link-rfc2396E" href="mailto:qgis-user@lists.osgeo.org"><qgis-user@lists.osgeo.org></a>
<br>
Cc: <a class="moz-txt-link-rfc2396E" href="mailto:qgis-developer@lists.osgeo.org">"qgis-developer@lists.osgeo.org"</a>
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<br>
Subject: Re: [Qgis-user] Query Layer / Rule Based Rendering
Problem
<br>
Message-ID: <-1181963382601239453@unknownmsgid>
<br>
Content-Type: text/plain; charset=ISO-8859-1
<br>
<br>
I had this issue the other day when I used the Copy Style
function.
<br>
Must be a bug. Can you fill a ticket for it.
<br>
<br>
Nathan
<br>
<br>
Sent from some fancy phone looking thingo
<br>
From: James Stott
<br>
Sent: 1/06/2012 7:31 PM
<br>
To: <a class="moz-txt-link-abbreviated" href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a>
<br>
Cc: <a class="moz-txt-link-abbreviated" href="mailto:qgis-developer@lists.osgeo.org">qgis-developer@lists.osgeo.org</a>
<br>
Subject: Re: [Qgis-user] Query Layer / Rule Based Rendering
Problem
<br>
To update this post,
<br>
<br>
I have compared the project file code for both the layer that
works and
<br>
the layer that doesn't and I have found differences in the
<br>
customproperties section. This section does not exist in the
layer that
<br>
works - it only exists for the layer that I copied the style
for.
<br>
Removing it makes the layer show on the map.
<br>
<br>
<customproperties>
<br>
<property key="labeling" value="pal"/>
<br>
<property key="labeling/addDirectionSymbol"
<br>
value="false"/>
<br>
<property key="labeling/bufferColorB"
value="255"/>
<br>
<property key="labeling/bufferColorG"
value="255"/>
<br>
<property key="labeling/bufferColorR"
value="255"/>
<br>
<property key="labeling/bufferSize"
value="1"/>
<br>
<property
key="labeling/dataDefinedProperty0" value=""/>
<br>
<property
key="labeling/dataDefinedProperty1" value=""/>
<br>
<property
key="labeling/dataDefinedProperty10"
<br>
value="16"/>
<br>
<property
key="labeling/dataDefinedProperty11"
<br>
value=""/>
<br>
<property
key="labeling/dataDefinedProperty12"
<br>
value=""/>
<br>
<property
key="labeling/dataDefinedProperty13"
<br>
value=""/>
<br>
<property
key="labeling/dataDefinedProperty14"
<br>
value=""/>
<br>
<property
key="labeling/dataDefinedProperty2" value=""/>
<br>
<property
key="labeling/dataDefinedProperty3" value=""/>
<br>
<property
key="labeling/dataDefinedProperty4" value=""/>
<br>
<property
key="labeling/dataDefinedProperty5" value=""/>
<br>
<property
key="labeling/dataDefinedProperty6" value=""/>
<br>
<property
key="labeling/dataDefinedProperty7" value=""/>
<br>
<property
key="labeling/dataDefinedProperty8" value=""/>
<br>
<property
key="labeling/dataDefinedProperty9"
<br>
value="15"/>
<br>
<property key="labeling/decimals"
value="0"/>
<br>
<property key="labeling/dist"
value="0"/>
<br>
<property key="labeling/distInMapUnits"
value="false"/>
<br>
<property key="labeling/enabled"
value="true"/>
<br>
<property key="labeling/fieldName"
value="number"/>
<br>
<property key="labeling/fontFamily"
value="MS Shell Dlg
<br>
2"/>
<br>
<property key="labeling/fontItalic"
value="false"/>
<br>
<property key="labeling/fontSize"
value="8.25"/>
<br>
<property key="labeling/fontSizeInMapUnits"
<br>
value="false"/>
<br>
<property key="labeling/fontStrikeout"
value="false"/>
<br>
<property key="labeling/fontUnderline"
value="false"/>
<br>
<property key="labeling/fontWeight"
value="50"/>
<br>
<property key="labeling/formatNumbers"
value="false"/>
<br>
<property key="labeling/isExpression"
value="false"/>
<br>
<property key="labeling/labelPerPart"
value="false"/>
<br>
<property key="labeling/mergeLines"
value="false"/>
<br>
<property key="labeling/minFeatureSize"
value="0"/>
<br>
<property key="labeling/obstacle"
value="true"/>
<br>
<property key="labeling/placement"
value="1"/>
<br>
<property key="labeling/placementFlags"
value="0"/>
<br>
<property key="labeling/plussign"
value="true"/>
<br>
<property key="labeling/priority"
value="5"/>
<br>
<property key="labeling/scaleMax"
value="0"/>
<br>
<property key="labeling/scaleMin"
value="0"/>
<br>
<property key="labeling/textColorB"
value="0"/>
<br>
<property key="labeling/textColorG"
value="0"/>
<br>
<property key="labeling/textColorR"
value="0"/>
<br>
<property key="labeling/wrapChar"
value=""/>
<br>
<br>
Using QGIS 1.8.0 on Windows 7
<br>
<br>
James
<br>
<br>
<br>
James Stott BSc (Hons) MSc | Senior Professional
<br>
Nicholas Pearson Associates | 30 Brock Street | Bath | BA1 2LN
<br>
T: 01225 445548 | M: -
<br>
<a class="moz-txt-link-freetext" href="http://www.npaconsult.co.uk/">http://www.npaconsult.co.uk/</a>
<br>
<br>
-----Original Message-----
<br>
From: <a class="moz-txt-link-abbreviated" href="mailto:qgis-user-bounces@lists.osgeo.org">qgis-user-bounces@lists.osgeo.org</a>
<br>
[<a class="moz-txt-link-freetext" href="mailto:qgis-user-bounces@lists.osgeo.org">mailto:qgis-user-bounces@lists.osgeo.org</a>] On Behalf Of James
Stott
<br>
Sent: 31 May 2012 16:22
<br>
To: <a class="moz-txt-link-abbreviated" href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a>
<br>
Subject: [Qgis-user] Query Layer / Rule Based Rendering
Problem
<br>
<br>
I have created a query in the DB Manager SQL Window (data is
in a
<br>
PostGIS database). The query is then added to the map as a
layer.
<br>
<br>
I copy the style from another layer (rule based style), paste
it to my
<br>
query layer and the polygons disappear from the map and QGIS
gives a
<br>
nextFeature() without select() error. This also happens if I
apply a qml
<br>
style file to the layer.
<br>
<br>
If I change the styles back to Single Symbol they do not come
back. I
<br>
can see the records in the Attribute table, and I can select
them and
<br>
zoom to them on the map, I just cannot see them.
<br>
<br>
I have to re-add the query layer using the DB Manager SQL
window again.
<br>
<br>
It only seems to be the polygon layers that cause problems at
the
<br>
moment.
<br>
<br>
Does anyone know the cause of this?
<br>
<br>
James
<br>
<br>
James Stott BSc (Hons) MSc | Senior Professional Nicholas
Pearson
<br>
Associates | 30 Brock Street | Bath | BA1 2LN
<br>
T: 01225 445548 | M: -
<br>
<a class="moz-txt-link-freetext" href="http://www.npaconsult.co.uk/">http://www.npaconsult.co.uk/</a>
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